.center {
	text-align: center;
}

.space_left {
	margin-left: 20px;
}

.table {
	border: 1px solid black;
}

.b_editor{
	padding: 0;
	border: none;
	background: none;
}

#wrap_preview {
	display: none;
}

#preview {
	border: 1px solid blue;
	overflow-y: scroll;
	height:400px;
}